import { tags as t } from '@lezer/highlight';
import { createTheme, CreateThemeOptions } from '@uiw/codemirror-themes';

export const defaultSettingsNord: CreateThemeOptions['settings'] = {
  background: '#2e3440',
  foreground: '#FFFFFF',
  caret: '#FFFFFF',
  selection: '#3b4252',
  selectionMatch: '#e5e9f0',
  gutterBackground: '#2e3440',
  gutterForeground: '#4c566a',
  gutterActiveForeground: '#d8dee9',
  lineHighlight: '#4c566a',
};

// Colors from https://www.nordtheme.com/docs/colors-and-palettes
export const nordInit = (options?: Partial<CreateThemeOptions>) => {
  const { theme = 'dark', settings = {}, styles = [] } = options || {};
  return createTheme({
    theme: theme,
    settings: {
      ...defaultSettingsNord,
      ...settings,
    },
    styles: [
      { tag: t.keyword, color: '#5e81ac' },
      {
        tag: [t.name, t.deleted, t.character, t.propertyName, t.macroName],
        color: '#88c0d0',
      },
      { tag: [t.variableName], color: '#8fbcbb' },
      { tag: [t.function(t.variableName)], color: '#8fbcbb' },
      { tag: [t.labelName], color: '#81a1c1' },
      {
        tag: [t.color, t.constant(t.name), t.standard(t.name)],
        color: '#5e81ac',
      },
      { tag: [t.definition(t.name), t.separator], color: '#a3be8c' },
      { tag: [t.brace], color: '#8fbcbb' },
      {
        tag: [t.annotation],
        color: '#d30102',
      },
      {
        tag: [t.number, t.changed, t.annotation, t.modifier, t.self, t.namespace],
        color: '#b48ead',
      },
      {
        tag: [t.typeName, t.className],
        color: '#ebcb8b',
      },
      {
        tag: [t.operator, t.operatorKeyword],
        color: '#a3be8c',
      },
      {
        tag: [t.tagName],
        color: '#b48ead',
      },
      {
        tag: [t.squareBracket],
        color: '#bf616a',
      },
      {
        tag: [t.angleBracket],
        color: '#d08770',
      },
      {
        tag: [t.attributeName],
        color: '#ebcb8b',
      },
      {
        tag: [t.regexp],
        color: '#5e81ac',
      },
      {
        tag: [t.quote],
        color: '#b48ead',
      },
      { tag: [t.string], color: '#a3be8c' },
      {
        tag: t.link,
        color: '#a3be8c',
        textDecoration: 'underline',
        textUnderlinePosition: 'under',
      },
      {
        tag: [t.url, t.escape, t.special(t.string)],
        color: '#8fbcbb',
      },
      { tag: [t.meta], color: '#88c0d0' },
      { tag: [t.monospace], color: '#d8dee9', fontStyle: 'italic' },
      { tag: [t.comment], color: '#4c566a', fontStyle: 'italic' },
      { tag: t.strong, fontWeight: 'bold', color: '#5e81ac' },
      { tag: t.emphasis, fontStyle: 'italic', color: '#5e81ac' },
      { tag: t.strikethrough, textDecoration: 'line-through' },
      { tag: t.heading, fontWeight: 'bold', color: '#5e81ac' },
      { tag: t.special(t.heading1), fontWeight: 'bold', color: '#5e81ac' },
      { tag: t.heading1, fontWeight: 'bold', color: '#5e81ac' },
      {
        tag: [t.heading2, t.heading3, t.heading4],
        fontWeight: 'bold',
        color: '#5e81ac',
      },
      {
        tag: [t.heading5, t.heading6],
        color: '#5e81ac',
      },
      { tag: [t.atom, t.bool, t.special(t.variableName)], color: '#d08770' },
      {
        tag: [t.processingInstruction, t.inserted],
        color: '#8fbcbb',
      },
      {
        tag: [t.contentSeparator],
        color: '#ebcb8b',
      },
      { tag: t.invalid, color: '#434c5e', borderBottom: `1px dotted #d30102` },
      ...styles,
    ],
  });
};

export const nord = nordInit();
